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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2012 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: FilterDelegate.html 689 2013-06-28 19:22:16Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.stuff.pobj;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.io.IOException;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.util.Set;<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>import javax.validation.ConstraintViolation;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import javax.xml.transform.Result;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import javax.xml.transform.Source;<a name="line.15"></a>
<span class="sourceLineNo">016</span><a name="line.16"></a>
<span class="sourceLineNo">017</span>/**<a name="line.17"></a>
<span class="sourceLineNo">018</span> * Adapter class for {@link PersistentObjectDelegate} implementations that wrap a nested delegate.<a name="line.18"></a>
<span class="sourceLineNo">019</span> * All methods in this class forward to the nested delegate.<a name="line.19"></a>
<span class="sourceLineNo">020</span> *<a name="line.20"></a>
<span class="sourceLineNo">021</span> * @param &lt;T&gt; type of the root persistent object<a name="line.21"></a>
<span class="sourceLineNo">022</span> */<a name="line.22"></a>
<span class="sourceLineNo">023</span>public class FilterDelegate&lt;T&gt; implements PersistentObjectDelegate&lt;T&gt; {<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>    protected final PersistentObjectDelegate&lt;T&gt; nested;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>    /**<a name="line.27"></a>
<span class="sourceLineNo">028</span>     * Constructor.<a name="line.28"></a>
<span class="sourceLineNo">029</span>     *<a name="line.29"></a>
<span class="sourceLineNo">030</span>     * @param nested nested delegate to wrap<a name="line.30"></a>
<span class="sourceLineNo">031</span>     * @throws IllegalArgumentException if {@code nested} is null<a name="line.31"></a>
<span class="sourceLineNo">032</span>     */<a name="line.32"></a>
<span class="sourceLineNo">033</span>    public FilterDelegate(PersistentObjectDelegate&lt;T&gt; nested) {<a name="line.33"></a>
<span class="sourceLineNo">034</span>        if (nested == null)<a name="line.34"></a>
<span class="sourceLineNo">035</span>            throw new IllegalArgumentException("null nested");<a name="line.35"></a>
<span class="sourceLineNo">036</span>        this.nested = nested;<a name="line.36"></a>
<span class="sourceLineNo">037</span>    }<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>    @Override<a name="line.39"></a>
<span class="sourceLineNo">040</span>    public void serialize(T obj, Result result) throws IOException {<a name="line.40"></a>
<span class="sourceLineNo">041</span>        this.nested.serialize(obj, result);<a name="line.41"></a>
<span class="sourceLineNo">042</span>    }<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>    @Override<a name="line.44"></a>
<span class="sourceLineNo">045</span>    public T deserialize(Source source) throws IOException {<a name="line.45"></a>
<span class="sourceLineNo">046</span>        return this.nested.deserialize(source);<a name="line.46"></a>
<span class="sourceLineNo">047</span>    }<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span>    @Override<a name="line.49"></a>
<span class="sourceLineNo">050</span>    public T copy(T original) {<a name="line.50"></a>
<span class="sourceLineNo">051</span>        return this.nested.copy(original);<a name="line.51"></a>
<span class="sourceLineNo">052</span>    }<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span>    @Override<a name="line.54"></a>
<span class="sourceLineNo">055</span>    public boolean isSameGraph(T root1, T root2) {<a name="line.55"></a>
<span class="sourceLineNo">056</span>        return this.nested.isSameGraph(root1, root2);<a name="line.56"></a>
<span class="sourceLineNo">057</span>    }<a name="line.57"></a>
<span class="sourceLineNo">058</span><a name="line.58"></a>
<span class="sourceLineNo">059</span>    @Override<a name="line.59"></a>
<span class="sourceLineNo">060</span>    public Set&lt;ConstraintViolation&lt;T&gt;&gt; validate(T obj) {<a name="line.60"></a>
<span class="sourceLineNo">061</span>        return this.nested.validate(obj);<a name="line.61"></a>
<span class="sourceLineNo">062</span>    }<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span>    @Override<a name="line.64"></a>
<span class="sourceLineNo">065</span>    public void handleWritebackException(PersistentObject&lt;T&gt; pobj, Throwable t) {<a name="line.65"></a>
<span class="sourceLineNo">066</span>        this.nested.handleWritebackException(pobj, t);<a name="line.66"></a>
<span class="sourceLineNo">067</span>    }<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span>    @Override<a name="line.69"></a>
<span class="sourceLineNo">070</span>    public T getDefaultValue() {<a name="line.70"></a>
<span class="sourceLineNo">071</span>        return this.nested.getDefaultValue();<a name="line.71"></a>
<span class="sourceLineNo">072</span>    }<a name="line.72"></a>
<span class="sourceLineNo">073</span>}<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>




























































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